qr codes, folks. the game has been changed once again
turns out they actually use them in China http://www.scmp.com/news/china/society/article/2095576/rise-qr-code-and-how-it-has-forever-changed-chinas-social-habits …
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turns out they actually use them in China http://www.scmp.com/news/china/society/article/2095576/rise-qr-code-and-how-it-has-forever-changed-chinas-social-habits …